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Finding the Fourth Proportional to 176,428.80, 264,297.60 and 106,099.20

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Solution

The fourth proportional to 176,428.80, 264,297.60 and 106,099.20 is: 158,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,428.80 : 264,297.60 = 106,099.20 : x
  2. Step 2: Convert to fraction form
    176,428.80/264,297.60 = 106,099.20/x
  3. Step 3: Cross multiply
    176,428.80x = 264,297.60 × 106,099.20
  4. Step 4: Simplify right side
    176,428.80x = 28,041,763,921.92
  5. Step 5: Solve for x
    x = 28,041,763,921.92/176,428.80
  6. Step 6: Final answer
    x = 158,940.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.